WD_BLACK SN770M NVMe™ SSD 500GB Features: Supercharge compatible handheld devices such as the ASUS™ ROG Ally™ and Valve® Steam® Deck for faster loading and installation Play more games wherever you are with up to 2TB of trusted Western Digital TLC 3D NAND storage. Exclusive gaming features including PCIe® Gen 4.0, Western Digital's nCache 4.0 technology, and Microsoft’s DirectStorage Support Specifications: Capacity 500GB Form Factor M.2 2230 Connector M.2 Compatibility Computer with M.2 (M-key) port, capable of taking M.2 2230 form factor Windows® 10+ Sequential Read Performance 5000MB/s Sequential Write Performance 4000MB/s Random Read 460K IOPS Random Write 800K IOPS Interface PCIe Gen4 x4 In The Box WD_BLACK SN770M M.2 2230 NVMe SSD Warranty 5-Year Limited Warranty Endurance (TBW) 300 Dimensions (L x W x H) 29.97mm x 22.1mm x 2.29mm Weight 2.8gms Operating Temperature 32°F to 185°F Non-Operating Temperature -40°F to 185°F